![Per Ardua Ad Astra: A Handbook of the Royal Air Force by Congdon, Philip: new Paperback (1994) | GoldenWavesOfBooks Per Ardua Ad Astra: A Handbook of the Royal Air Force by Congdon, Philip: new Paperback (1994) | GoldenWavesOfBooks](https://pictures.abebooks.com/isbn/9781853104787-us.jpg)
Per Ardua Ad Astra: A Handbook of the Royal Air Force by Congdon, Philip: new Paperback (1994) | GoldenWavesOfBooks
![ROYAL AIR FORCE below gilt & blue crest & motto PER ARDUA AD ASTRA, with or w/o printed "ribbon" - TuckDB Ephemera ROYAL AIR FORCE below gilt & blue crest & motto PER ARDUA AD ASTRA, with or w/o printed "ribbon" - TuckDB Ephemera](https://images.tuckdb.org/ephemera/images/000/023/192/extra_large/t.jpg)
ROYAL AIR FORCE below gilt & blue crest & motto PER ARDUA AD ASTRA, with or w/o printed "ribbon" - TuckDB Ephemera
![Royal Canadian Air Force Emblem - Eagle Rampant Maple Leaf - Motto Per Ardua Ad Astra - Air Forces Memorial Runnymede Stock Photo - Alamy Royal Canadian Air Force Emblem - Eagle Rampant Maple Leaf - Motto Per Ardua Ad Astra - Air Forces Memorial Runnymede Stock Photo - Alamy](https://c8.alamy.com/comp/B7T41P/royal-canadian-air-force-emblem-eagle-rampant-maple-leaf-motto-per-B7T41P.jpg)
Royal Canadian Air Force Emblem - Eagle Rampant Maple Leaf - Motto Per Ardua Ad Astra - Air Forces Memorial Runnymede Stock Photo - Alamy
File:Draagspeldje luchtmacht “PER ARDUA AD ASTRA” met schijf lichtblauw en donkerblauwe band, gouden letters, in het midden vogel met gespreide vleugels en op geheel een kroon, objectnr 42457-A-B.JPG - Wikimedia Commons
![CWGC Engraving of RFC Emblem and Motto – Per Ardua ad Astra (Through Adversity to the Stars) – Real Lives CWGC Engraving of RFC Emblem and Motto – Per Ardua ad Astra (Through Adversity to the Stars) – Real Lives](https://reallives.blog/wp-content/uploads/2018/10/CWGC-Engraving-of-RFC-Emblem-and-Motto-Per-Ardua-ad-Astra-Through-Adversity-to-the-Stars.jpg)